content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * --------------------------------
   * DefaultCategoryDatasetTests.java
   * --------------------------------
   * (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 23-Mar-2004 : Version 1 (DG);
   * 08-Mar-2007 : Added testCloning() (DG);
   * 21-Nov-2007 : Added testBug1835955() method (DG);
   * 09-May-2008 : Added testPublicCloneable() (DG);
   *
   */
  
  package org.jfree.data.category;
  
  import org.jfree.chart.util.PublicCloneable;
  import org.jfree.data.UnknownKeyException;
  import org.junit.jupiter.api.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  /**
   * Tests for the {@link DefaultCategoryDataset} class.
   */
  public class DefaultCategoryDatasetTest  {
  
  
  
  
  
      /**
       * Some checks for the getValue() method.
       */
      @Test
      public void testGetValue() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          d.addValue(1.0, "R1", "C1");
          assertEquals(1.0, d.getValue("R1", "C1"));
  
          try {
              d.getValue("XX", "C1");
              fail("UnknownKeyException should have been thrown on unknown key");
          }
          catch (UnknownKeyException e) {
              assertEquals("Unrecognised rowKey: XX", e.getMessage());
          }
  
          try {
              d.getValue("R1", "XX");
              fail("UnknownKeyException should have been thrown on unknown key");
          }
          catch (UnknownKeyException e) {
              assertEquals("Unrecognised columnKey: XX", e.getMessage());
          }
      }
  
      /**
       * A simple check for the getValue(int, int) method.
       */
      @Test
      public void testGetValue2() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
  
          try {
              /* Number n =*/ d.getValue(0, 0);
              fail("IndexOutOfBoundsException should have been thrown on getting key from empty set");
          }
          catch (IndexOutOfBoundsException e) {
              assertEquals("Index 0 out of bounds for length 0", e.getMessage());
          }
      }
  
      /**
       * Some checks for the incrementValue() method.
       */
      @Test
      public void testIncrementValue() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          d.addValue(1.0, "R1", "C1");
          d.incrementValue(2.0, "R1", "C1");
          assertEquals(3.0, d.getValue("R1", "C1"));
  
          // increment a null value
          d.addValue(null, "R2", "C1");
          d.incrementValue(2.0, "R2", "C1");
          assertEquals(2.0, d.getValue("R2", "C1"));
  
          // increment an unknown row
          try {
              d.incrementValue(1.0, "XX", "C1");
              fail("UnknownKeyException should have been thrown on unknown row");
          }
          catch (UnknownKeyException e) {
              assertEquals("Unrecognised rowKey: XX", e.getMessage());
          }
  
          // increment an unknown column
          try {
              d.incrementValue(1.0, "R1", "XX");
              fail("UnknownKeyException should have been thrown on unknown row");
          }
          catch (UnknownKeyException e) {
              assertEquals("Unrecognised columnKey: XX", e.getMessage());
          }
      }
  
      /**
       * Some tests for the getRowCount() method.
       */
      @Test
      public void testGetRowCount() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          assertSame(d.getRowCount(), 0);
  
          d.addValue(1.0, "R1", "C1");
          assertSame(d.getRowCount(), 1);
  
          d.addValue(1.0, "R2", "C1");
          assertSame(d.getRowCount(), 2);
  
          d.addValue(2.0, "R2", "C1");
          assertSame(d.getRowCount(), 2);
  
          // a row of all null values is still counted...
          d.setValue(null, "R2", "C1");
          assertSame(d.getRowCount(), 2);
      }
  
      /**
       * Some tests for the getColumnCount() method.
       */
      @Test
      public void testGetColumnCount() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          assertSame(d.getColumnCount(), 0);
  
          d.addValue(1.0, "R1", "C1");
          assertSame(d.getColumnCount(), 1);
  
          d.addValue(1.0, "R1", "C2");
          assertSame(d.getColumnCount(), 2);
  
          d.addValue(2.0, "R1", "C2");
          assertSame(d.getColumnCount(), 2);
  
          // a column of all null values is still counted...
          d.setValue(null, "R1", "C2");
          assertSame(d.getColumnCount(), 2);
      }
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          DefaultCategoryDataset d1 = new DefaultCategoryDataset();
          d1.setValue(23.4, "R1", "C1");
          DefaultCategoryDataset d2 = new DefaultCategoryDataset();
          d2.setValue(23.4, "R1", "C1");
          assertEquals(d1, d2);
          assertEquals(d2, d1);
  
          d1.setValue(36.5, "R1", "C2");
          assertFalse(d1.equals(d2));
          d2.setValue(36.5, "R1", "C2");
          assertEquals(d1, d2);
  
          d1.setValue(null, "R1", "C1");
          assertFalse(d1.equals(d2));
          d2.setValue(null, "R1", "C1");
          assertEquals(d1, d2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          DefaultCategoryDataset d1 = new DefaultCategoryDataset();
          d1.setValue(23.4, "R1", "C1");
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(d1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          DefaultCategoryDataset d2 = (DefaultCategoryDataset) in.readObject();
              in.close();
  
          assertEquals(d1, d2);
  
      }
  
      /**
       * Some checks for the addValue() method.
       */
      @Test
      public void testAddValue() {
          DefaultCategoryDataset d1 = new DefaultCategoryDataset();
          d1.addValue(null, "R1", "C1");
          assertNull(d1.getValue("R1", "C1"));
          d1.addValue(Double.valueOf(1.0), "R2", "C1");
          assertEquals(1.0, d1.getValue("R2", "C1"));
  
  
          try {
              d1.addValue(Double.valueOf(1.1), null, "C2");
              fail("UnknownKeyException should have been thrown on unknown row");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'key' argument.", e.getMessage());
          }
      }
  
      /**
       * Some basic checks for the removeValue() method.
       */
      @Test
      public void testRemoveValue() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          d.removeValue("R1", "C1");
          d.addValue(Double.valueOf(1.0), "R1", "C1");
          d.removeValue("R1", "C1");
          assertEquals(0, d.getRowCount());
          assertEquals(0, d.getColumnCount());
  
          d.addValue(Double.valueOf(1.0), "R1", "C1");
          d.addValue(Double.valueOf(2.0), "R2", "C1");
          d.removeValue("R1", "C1");
          assertEquals(2.0, d.getValue(0, 0));
  
  
          try {
              d.removeValue(null, "C1");
              fail("IllegalArgumentException should have been thrown on null key");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'key' argument.", e.getMessage());
          }
  
          try {
              d.removeValue("R1", null);
              fail("IllegalArgumentException should have been thrown on null key");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'key' argument.", e.getMessage());
          }
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          DefaultCategoryDataset d1 = new DefaultCategoryDataset();
          DefaultCategoryDataset d2 = (DefaultCategoryDataset) d1.clone();
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // try a dataset with some content...
          d1.addValue(1.0, "R1", "C1");
          d1.addValue(2.0, "R1", "C2");
  
          d2 = (DefaultCategoryDataset) d1.clone();
  
          assertNotSame(d1, d2);
          assertSame(d1.getClass(), d2.getClass());
          assertEquals(d1, d2);
  
          // check that the clone doesn't share the same underlying arrays.
          d1.addValue(3.0, "R1", "C1");
          assertFalse(d1.equals(d2));
          d2.addValue(3.0, "R1", "C1");
          assertEquals(d1, d2);
      }
  
      /**
       * Check that this class implements PublicCloneable.
       */
      @Test
      public void testPublicCloneable() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          assertTrue(d instanceof PublicCloneable);
      }
  
      private static final double EPSILON = 0.0000000001;
  
      /**
       * A test for bug 1835955.
       */
      @Test
      public void testBug1835955() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          d.addValue(1.0, "R1", "C1");
          d.addValue(2.0, "R2", "C2");
          d.removeColumn("C2");
          d.addValue(3.0, "R2", "C2");
          assertEquals(3.0, d.getValue("R2", "C2").doubleValue(), EPSILON);
      }
  
      /**
       * Some checks for the removeColumn(Comparable) method.
       */
      @Test
      public void testRemoveColumn() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          d.addValue(1.0, "R1", "C1");
          d.addValue(2.0, "R2", "C2");
          assertEquals(2, d.getColumnCount());
          d.removeColumn("C2");
          assertEquals(1, d.getColumnCount());
  
          try {
              d.removeColumn("XXX");
              fail("UnknownKeyException should have been thrown on unknown key");
          }
          catch (UnknownKeyException e) {
              assertEquals("Unknown key: XXX", e.getMessage());
          }
  
          try {
              d.removeColumn(null);
              fail("IllegalArgumentException should have been thrown on null key");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'columnKey' argument.", e.getMessage());
          }
      }
  
      /**
       * Some checks for the removeRow(Comparable) method.
       */
      @Test
      public void testRemoveRow() {
          DefaultCategoryDataset d = new DefaultCategoryDataset();
          d.addValue(1.0, "R1", "C1");
          d.addValue(2.0, "R2", "C2");
          assertEquals(2, d.getRowCount());
          d.removeRow("R2");
          assertEquals(1, d.getRowCount());
  
          try {
              d.removeRow("XXX");
              fail("UnknownKeyException should have been thrown on unknown key");
          }
          catch (UnknownKeyException e) {
              assertEquals("Unknown key: XXX", e.getMessage());
          }
  
          try {
              d.removeRow(null);
              fail("IllegalArgumentException should have been thrown on null key");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'rowKey' argument.", e.getMessage());
          }
      }
  
  }
  